74 lines
2.6 KiB
JavaScript
74 lines
2.6 KiB
JavaScript
/* Any copyright is dedicated to the Public Domain.
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http://creativecommons.org/publicdomain/zero/1.0/ */
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add_task(async function () {
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registerCleanupFunction(function () {
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window.restore();
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});
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function isActive() {
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return gBrowser.selectedTab.linkedBrowser.docShellIsActive;
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}
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ok(isActive(), "Docshell should be active when starting the test");
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ok(!document.hidden, "Top level window should be visible");
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// When we show or hide the window (including by minimization),
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// there are 2 signifiers that the process is complete: the
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// sizemodechange event, and the browsing context becoming active
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// or inactive. There is another signifier, the
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// occlusionstatechange event, but whether or not that event
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// is sent is platform-dependent, so it's not very useful. The
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// safest way to check for stable state is to build promises
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// around sizemodechange and browsing context active and then
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// wait for them all to complete, and that's what we do here.
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info("Calling window.minimize");
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let promiseSizeModeChange = BrowserTestUtils.waitForEvent(
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window,
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"sizemodechange"
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).then(
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() => ok(true, "Got sizemodechange."),
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() => ok(false, "Rejected sizemodechange.")
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);
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let promiseBrowserInactive = BrowserTestUtils.waitForCondition(
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() => !isActive(),
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"Docshell should be inactive."
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).then(
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() => ok(true, "Got inactive."),
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() => ok(false, "Rejected inactive.")
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);
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window.minimize();
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await Promise.all([promiseSizeModeChange, promiseBrowserInactive]);
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ok(document.hidden, "Top level window should be hidden");
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// When we restore the window from minimization, we have the
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// same concerns as above, so prepare our promises.
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info("Calling window.restore");
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promiseSizeModeChange = BrowserTestUtils.waitForEvent(
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window,
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"sizemodechange"
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).then(
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() => ok(true, "Got sizemodechange."),
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() => ok(false, "Rejected sizemodechange.")
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);
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let promiseBrowserActive = BrowserTestUtils.waitForCondition(
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() => isActive(),
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"Docshell should be active."
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).then(
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() => ok(true, "Got active."),
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() => ok(false, "Rejected active.")
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);
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window.restore();
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// On Ubuntu `window.restore` doesn't seem to work, use a timer to make the
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// test fail faster and more cleanly than with a test timeout.
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await Promise.race([
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Promise.all([promiseSizeModeChange, promiseBrowserActive]),
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new Promise((resolve, reject) =>
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// eslint-disable-next-line mozilla/no-arbitrary-setTimeout
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setTimeout(() => {
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reject("timed out waiting for sizemodechange event");
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}, 5000)
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),
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]);
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ok(!document.hidden, "Top level window should be visible");
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});
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